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WorksheetsUnit 2 AP Biology
Total questions: 55
Worksheet time: 28mins
Which of the following cells is most efficient?
Note: SA = surface area V = volume
SA: 4 V: 1
SA: 3 V: 2
SA: 2 V: 3
SA: 1 V: 4
As surface area is squared, volume is…
Halved
Doubled
Squared
Cubed
What is the surface area of a sphere with a radius of 3?
SA=4πr2
4 pi
16 pi
36 pi
64 pi
What is the volume of a sphere with a radius of 3?
V=34πr3
(4/3) pi
(32/3) pi
(108/3) pi
(256/3)pi
What is the surface area of a cube with a side length of 2?
SA=6⋅length⋅width
6
24
54
96
What is the volume of a cube with a side length of 2?
V=l⋅w⋅h
1
8
27
64
Why is the inner membrane of the mitochondria highly folded?
Increase volume of mitochondria
Increase in surface area for oxidative phosphorylation
Decrease volume of mitochondria
Decrease in surface area for oxidative phosphorylation
Which cell is more efficient?
Sphere
SA: 36 pi
V: (108/3)pi
Cube
SA: 24
V: 8
Which is the easiest to cross the membrane unassisted?
Small, nonpolar
Small, polar
Large, nonpolar
Large, polar
Which is the easiest to pass through the membrane?
Carbon dioxide
Glucose
Sodium ions
Water
A small amount of water can cross the membrane unassisted.
True
False
Which does NOT have a cell wall?
Fungi
Plants
Prokaryote
Protist
What type of membrane protein allows water passage?
Carrier protein
Channel protein
Cellular eating, use pseudopod to engulf food
Exocytosis
Phagocytosis
Pinocytosis
Receptor Mediated Endocytosis
Cellular drinking, cell “gulps” extracellular fluid
Exocytosis
Phagocytosis
Pinocytosis
Receptor Mediated Endocytosis
Organelle that fuses with product from phagocytosis
Golgi
Lysosome
Nucleus
Smooth ER
Proteins made in rough ER are secreted by
Exocytosis
Phagocytosis
Pinocytosis
Receptor Mediated Endocytosis
Which of the following is required for facilitated diffusion that makes it different from simple diffusion?
ATP
Concentration gradient
Glycolipid
Membrane Protein
Charged molecules (ions) are
Hydrophilic
Hydrophobic
How does large quantity of water move across a membrane?
Carrier protein
Channel protein
Exocytosis
Simple diffusion
Transport proteins are specific for the material transported
True
False
Solution with a higher solute concentration…
Hypertonic
Hypotonic
Isotonic
Solution with a lower solute concentration…
Hypertonic
Hypotonic
Isotonic
Solution with a higher free water concentration…
Hypertonic
Hypotonic
Isotonic
Solution with a lower free water concentration…
Hypertonic
Hypotonic
Isotonic
If the intracellular concentration is 1.0 M and extracellular concentration is 0.4M. Which direction does water flow?
Both in and out (equilibrium)
Into the cell
Out of the cell
What organelle holds the water in plant cells?
Central vacuole
Endoplasmic reticulum
Food vacuole
Golgi bodies
If solution A has -4.0 MPa and solution B has -2.0 MPa, which direction will water flow?
Out of solution A
Out of solution B
Extracellular solution is 0.5M and the cell is 1.0M – which direction will water flow?
Into cell towards hypertonic solution
Into cell towards hypotonic solution
Out of cell toward hypertonic solution
Out of cell toward hypotonic solution
Extracellular solution is 0.5M and the cell is 1.0M – what will happen to the animal cell?
Crenate
Lysis
Plasmolysis
Turgid
If extracellular solution is isotonic, which direction will water move?
Into cell
Out of cell
Both into and out of cell
No water movement
Water moves from
High water potential to low water potential
Low water potential to high water potential
The higher the solute concentration…
the higher the water potential
the lower the water potential
Pressure potential = 0.2 MPa and solute potential = - 0.6 MPa…
Ψ=ΨS+ΨP
Water Potential = -0.8MPa
Water Potential = -0.4 MPa
Water Potential = 0.4 MPa
Water Potential = 0.8 MPa
What is the ionization constant of sucrose?
0
1
24
48
What is the ionization constant of sodium chloride?
0
1
2
3
Passive transport
Does not require input of energy and moves against gradient
Does not require input of energy and moves with gradient
Requires input of energy and moves against gradient
Requires input of energy and moves with gradient
Active transport
Does not require input of energy and moves against gradient
Does not require input of energy and moves with gradient
Requires input of energy and moves against gradient
Requires input of energy and moves with gradient
Facilitated diffusion
Does not use transport proteins and is a type of active transport
Does not use transport proteins and is a type of passive transport
Uses transport proteins and is a type of active transport
Uses transport proteins and is a type of passive transport
Endocytosis
Does not require ATP and allows large particles to enter the cell
Does not require ATP and allows large particles to leave the cell
Requires ATP and allows large particles to enter the cell
Requires ATP and allows large particles to leave the cell
How does Ca2+ move across membrane from high to low?
Active transport
Bulk transport
Facilitated transport
Simple diffusion
What is the function of increase surface area in mitochondria?
More sites for fermentation
More sites for glycolysis
More sites for Krebs cycle
More sites for oxidative phosphorylation
What is the function of the increase in surface area of rough ER?
More sites for ATP synthesis
More sites for digestion
More sites for lipid synthesis
More sites for protein synthesis
What is the function of the increased surface area in Golgi Bodies?
More sites for ATP synthesis
More sites for lysosome formation
More sites for protein modification
More sites for protein synthesis
Which process takes place on the cristae of the mitochondria?
Calvin Cycle
Krebs Cycle
Light Reactions
Oxidative Phosphorylation
Which process takes place on the thylakoid membrane?
Calvin Cycle
Krebs Cycle
Light Reactions
Oxidative Phosphorylation
Which organelle do prokaryotes have?
Endoplasmic reticulum
Lysosome
Nucleus
Ribosomes
Which is larger?
Eukaryotic cells
Prokaryotic cells
Prokaryotes have regions with specialized structures and functions
True
False
Mitochondria & Chloroplast are theorized to be endosymbionts
True
False
Passive transport moves substances
From high to high concentration
From high to low concentration
From low to low concentration
From low to high concentration
Passive transport requires
Energy input
No energy input
Active transport requires
Energy
Transport Protein
Both energy & transport protein
Neither energy nor transport protein
Process of exporting materials with vesicles?
Endocytosis
Exocytosis
Facilitated Transport
Simple Diffusion
What type of movement requires no energy & flows down concentration gradient?
Active
Passive
